1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a6525da04be8b1f16dfb088711ea731d523004028bfcc17b5793b9ccaaa17d. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0555cbdb-c656-402b-8c68-0476af2759a1.json and https://artists.proofprofile.net/proofs/artist/0555cbdb-c656-402b-8c68-0476af2759a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6fb88a595d257531e1069b40b05182149a479c1ac0c12580b56d77a5efde28. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82200059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6fb88a595d257531e1069b40b05182149a479c1ac0c12580b56d77a5efde28. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82200059.
Ballermann Summer Warmup 2023 - Die Hits der Playa
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Mallorca Closing 2023 Powered by Xtreme Sound
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93bf04ea19d33a67ef8cfa1ea98c4842c04afdee6307a0132ff76cd16d51a505. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82300118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a77519fa32f673c9e135d30cf9d7a5ad70e5c830704d9328b4c21d22879127. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82300120.
Eingelocht auf Malle (CNBK Remix CNBK Remix)
Eingelocht auf Malle - CNBK Remix CNBK Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01bd21ea02d090dcf7f74c717c46c5f178f128fba96659d213fbe36cec55472. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2349808.
Halloween Party 2023 Powered by Xtreme Sound
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b305ed8e3922ac4043ba17f0b4fc7afa49878fbedcf5a28284d26a2c13d0a9b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82300101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93bf04ea19d33a67ef8cfa1ea98c4842c04afdee6307a0132ff76cd16d51a505. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82300118.
Ballermann Après Ski 2023 - Die Hütten Party des Jahres
Ballermann Charts 2023 - Wo wir sind ist Party!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6929de10631feb8cf07039b36158a30c87343f8b01549d1962e1089ba51a8d72. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82000137.
Fussball Party Hymnen 2022: Das sind die Hits für Weltmeister
Ballermann Sommer 2022 - Die Große Mallorca Party
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d3dfec46311ffaa69831c03a21ed8b4c4d234c236b6315fd269c30da690f565. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82200029.
Ballermann Wiesn Hits - Oktoberfest 2022
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980e1bcf9df0f16956c536836101320451ffa0272688342425a61b2639d48033. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ522100586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1c2a6f8425978ea009a94e48d40651fe3eaa4b1fdc9838c588f22c4d490e5f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ522100565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb14b43c5fdccef9fcf26808f044e410f8828d2e6c78d318cf4f3cae476e25211. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA372013546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6810f89fedb03d0699c828ec61325bd3bb03feb5c050838422f3b60eb8760db. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82300114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a109356df17821e17d5d98376294e219fbfe65bff597abc6cd9ed561eadd1e9. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA372011780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9dfbe68611b14c56b5383ea575aeae62147bfdeada3f6b271e5561899c9ee3f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ81800005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea39ec1af21e417774f93267a539af7b52066c279fb34cb2d7b8a02a90e0052. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEEQ82200048.
Mallorca - The Real Classic Hits, Vol. 3
Ballermann Party Hymnen 2022 - Die Hits des Sommers